Truth and reason are common to everyone, and are no more his who spake them first than his who speaks them after.

One man may have some special knowledge at first-hand about the character of a river or a spring, who otherwise knows only what everyone else knows. Yet to give currency to this shred of information, he will undertake to write on the whole science of physics. From this fault many great troubles spring.

If atoms do, by chance, happen to combine themselves into so many shapes, why have they never combined together to form a house or a slipper? By the same token, why do we not believe that if innumerable letters of the Greek alphabet were poured all over the market-place they would eventually happen to form the text of the Iliad?

If others surpass you in knowledge, in charm, in strength, in fortune, you have other causes to blame for it; but if you yield tothem in stoutness of heart you have only yourself to blame.

It is only reasonable to allow the administration of affairs to mothers before their children reach the age prescribed by law at which they themselves can be responsible. But that father would have reared them ill who could not hope that in their maturity they would have more wisdom and competence than his wife.

Vexations may be petty, but they are vexations still.

Custom is a violent and treacherous school mistress. She, by little and lithe, slyly and unperceived, slips in the foot of her authority; but having by this gentle and humble beginning, with the benefit of time, fixed and established it, she then unmasks a furious and tyrannic countenance, against which we have no more the courage or the power so much as to lift up our eyes.